Simulation and Network Engineer

Raytheon UK; Warminster; On-site; GBP 55,000 - 85,000; Full time

Benefits offered by this job

Competitive salary

Contributory Pension Scheme

6x salary Life Assurance

25 days holiday + buy/sell 5 days

Car/Car allowance

Discretionary bonus scheme

Flexible Benefits incl Health Cashplan

Job summary

Raytheon UK is seeking a Simulation and Network Engineer to join the Command and Staff Trainer (CAST) team in Warminster. You will configure ABACUS for exercises, provide MOD data, and integrate systems to meet training requirements.

You will train military users, support CAST activities at UK sites, and assist with CIS networks and VBS3 simulations, liaising with the customer to build scenarios and ensure reliable operations.

Qualifications

• Cisco routing, switching and VOIP experience.
• Windows Server administration proficiency.
• Fibre/Copper LAN installation knowledge.
• Familiarity with DII/DIS/HLA concepts.
• Experience with VBS3 and terrain generation.

Responsibilities

• Configure ABACUS software for exercises.
• Provide ABACUS data to the MOD during training.
• Integrate systems to match training requirements.
• Train military users to operate CAST systems.
• Provide CAST site and IT operations support as needed.
• Support CIS exercises remotely at Warminster and other locations.
• Liaise with military customers to build suitable scenarios.

Skills

Leadership

Team player

Willing to work unsupervised

Tools

Cisco routing

Cisco switching

Cisco VOIP

Windows Server administration

Fibre/Copper LAN installation

DII knowledge

DIS knowledge

HLA knowledge

VBS3

Terrain databases/scripting

Job description

Simulation and Network Engineer

At Raytheon UK, we take immense pride in being a leader in defence and aerospace technology. As an employer, we are dedicated to fuelling innovation, nurturing talent, and fostering a culture of excellence.

Date Posted

2026-08-27

Country

United Kingdom

Location

Warminster, Wiltshire

Position Role Type

Onsite

Our Business

As a leading defence and aerospace company operating across the United Kingdom, Raytheon UK helps to solve our customers’ toughest challenges. We are a major supplier to the UK government and customers around the globe, providing defence solutions across all domains: land, sea, air, space, and cyberspace. We also provide digital and training transformation solutions to commercial and military customers.

With circa 2000 employees and major facilities operating throughout the UK including Broughton (Wales), Livingston and Glenrothes (Scotland), and Harlow, Gloucester, and Manchester (England); we are committed to investing in British careers and technology development.

Raytheon UK are seeking a Systems Engineer to join our Command and Staff Trainer (CAST) team. Using primarily the ABACUS computer simulation and Communication & Information Systems (CIS) you will support exercises by the British Army ranging from Battle Group to Corps level. The expanding nature of MOD training requires the evolution and integration of new and emerging systems to continuously enhance the training capability at CAST.

Duties Include

• Configure the ABACUS software for exercise use.
• Provide the MOD customer with ABACUS data for use during military exercises.
• Configuration and/or integration of individual systems to match military training requirements.
• Conduct appropriate system training to ensure the military Users are competent to conduct their exercises.
• Provide coverage, when required, to support CAST activities at relevant UK sites.
• Support the day to day and IT operations activities at the site.
• Carry out Engineering, Operational and Administrative duties associated with CAST site.
• Support remotely networked CIS Exercises at the Warminster, Sennelager and offsite locations.
• Support to the CAST activity at all sites, using primarily ABACUS/CIS/VBS3
• Liaise with the military customer and build scenarios to fit their requirements.
• Establish consistent and measurable processes for the support & administration activity.
• Comply with configuration and control procedures.
• Attend further training when required.
• Comply with laid down company procedures.
• When required, be willing to work at night and do shift work.
• Be ‘Responsible for championing and fostering a culture of Environmental, Health, and Safety (EHS) compliance and continuous improvement’.

Any Other Duties Required To Complete The CAST Service.

Desirable experience

• Cisco routing, switching & VOIP
• Leadership of small teams
• Windows Server administration
• Fibre/Copper LAN installation & PC Repair
• Knowledge of DII, DIS & HLA
• A team player, also able to work unsupervised
• Knowledge of VBS3 and associated terrain generation
• Provision of Terrain Databases, Models and Scripting within a VBS environment

Benefits

• £: Competitive salary
• Contributory Pension Scheme (up to 10.5% company contribution)
• 6 times salary ‘Life Assurance’ with pension
• 25 days holiday (increasing with service) + statutory public holidays, plus opportunity to buy and sell up to 5 days (37hr)
• Car/Car allowance (dependant on grade/ role)
• Company bonus scheme (discretionary)
• Flexible Benefits scheme with extensive salary sacrifice schemes, including Health Cashplan, Dental, and Cycle to Work amongst others
• Enhanced sick pay
• Enhanced family friendly policies including enhanced maternity, paternity & shared parental leave
• Private Medical Insurance – dependant on grade

Work Culture

• 37hr working week, although hours may vary depending on role, job requirement or site-specific arrangements.
• Early 1.30pm finish Friday, start your weekend early!
• Remote, hybrid and site based working opportunities, dependant on your needs and the requirements of the role.
• Up to 5 paid days volunteering each year.
• Flexible working culture focused on output, with more formal flexible working arrangements on request (assessed subject to role) - please highlight any requests to the Talent Acquisition team.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, colour, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.

RTX adheres to the principles of equal employment. All qualified applications will be given careful consideration without regard to ethnicity, color, religion, gender, sexual orientation or identity, national origin, age, disability, protected veteran status or any other characteristic protected by law.